diff --git a/tests/integration/update_cluster/many-addons-ccm-irsa/data/aws_s3_bucket_object_minimal.example.com-addons-bootstrap_content b/tests/integration/update_cluster/many-addons-ccm-irsa/data/aws_s3_bucket_object_minimal.example.com-addons-bootstrap_content
index 825897a053..97c466426b 100644
--- a/tests/integration/update_cluster/many-addons-ccm-irsa/data/aws_s3_bucket_object_minimal.example.com-addons-bootstrap_content
+++ b/tests/integration/update_cluster/many-addons-ccm-irsa/data/aws_s3_bucket_object_minimal.example.com-addons-bootstrap_content
@@ -140,7 +140,7 @@ spec:
     version: 9.99.0
   - id: k8s-1.20
     manifest: snapshot-controller.addons.k8s.io/k8s-1.20.yaml
-    manifestHash: 7629abf66390989fa8529a3e7ef2274cc6d0169957d28ce36c7ebf59d6af7191
+    manifestHash: c1625843c5dbf647500867b4af18a62c6ded8516800d051f21a75589a3fa5c27
     name: snapshot-controller.addons.k8s.io
     needsPKI: true
     selector:
diff --git a/tests/integration/update_cluster/many-addons-ccm-irsa/data/aws_s3_bucket_object_minimal.example.com-addons-snapshot-controller.addons.k8s.io-k8s-1.20_content b/tests/integration/update_cluster/many-addons-ccm-irsa/data/aws_s3_bucket_object_minimal.example.com-addons-snapshot-controller.addons.k8s.io-k8s-1.20_content
index e7206fc6e9..7a7dbe91fe 100644
--- a/tests/integration/update_cluster/many-addons-ccm-irsa/data/aws_s3_bucket_object_minimal.example.com-addons-snapshot-controller.addons.k8s.io-k8s-1.20_content
+++ b/tests/integration/update_cluster/many-addons-ccm-irsa/data/aws_s3_bucket_object_minimal.example.com-addons-snapshot-controller.addons.k8s.io-k8s-1.20_content
@@ -1310,7 +1310,7 @@ webhooks:
 
 ---
 
-apiVersion: cert-manager.io/v1alpha2
+apiVersion: cert-manager.io/v1
 kind: Certificate
 metadata:
   creationTimestamp: null
diff --git a/tests/integration/update_cluster/many-addons-ccm/data/aws_s3_bucket_object_minimal.example.com-addons-bootstrap_content b/tests/integration/update_cluster/many-addons-ccm/data/aws_s3_bucket_object_minimal.example.com-addons-bootstrap_content
index 9057d86c1d..6ce17ee847 100644
--- a/tests/integration/update_cluster/many-addons-ccm/data/aws_s3_bucket_object_minimal.example.com-addons-bootstrap_content
+++ b/tests/integration/update_cluster/many-addons-ccm/data/aws_s3_bucket_object_minimal.example.com-addons-bootstrap_content
@@ -140,7 +140,7 @@ spec:
     version: 9.99.0
   - id: k8s-1.20
     manifest: snapshot-controller.addons.k8s.io/k8s-1.20.yaml
-    manifestHash: 7629abf66390989fa8529a3e7ef2274cc6d0169957d28ce36c7ebf59d6af7191
+    manifestHash: c1625843c5dbf647500867b4af18a62c6ded8516800d051f21a75589a3fa5c27
     name: snapshot-controller.addons.k8s.io
     needsPKI: true
     selector:
diff --git a/tests/integration/update_cluster/many-addons-ccm/data/aws_s3_bucket_object_minimal.example.com-addons-snapshot-controller.addons.k8s.io-k8s-1.20_content b/tests/integration/update_cluster/many-addons-ccm/data/aws_s3_bucket_object_minimal.example.com-addons-snapshot-controller.addons.k8s.io-k8s-1.20_content
index e7206fc6e9..7a7dbe91fe 100644
--- a/tests/integration/update_cluster/many-addons-ccm/data/aws_s3_bucket_object_minimal.example.com-addons-snapshot-controller.addons.k8s.io-k8s-1.20_content
+++ b/tests/integration/update_cluster/many-addons-ccm/data/aws_s3_bucket_object_minimal.example.com-addons-snapshot-controller.addons.k8s.io-k8s-1.20_content
@@ -1310,7 +1310,7 @@ webhooks:
 
 ---
 
-apiVersion: cert-manager.io/v1alpha2
+apiVersion: cert-manager.io/v1
 kind: Certificate
 metadata:
   creationTimestamp: null
diff --git a/tests/integration/update_cluster/many-addons/data/aws_s3_bucket_object_minimal.example.com-addons-bootstrap_content b/tests/integration/update_cluster/many-addons/data/aws_s3_bucket_object_minimal.example.com-addons-bootstrap_content
index 037a2aa475..f99d98b859 100644
--- a/tests/integration/update_cluster/many-addons/data/aws_s3_bucket_object_minimal.example.com-addons-bootstrap_content
+++ b/tests/integration/update_cluster/many-addons/data/aws_s3_bucket_object_minimal.example.com-addons-bootstrap_content
@@ -133,7 +133,7 @@ spec:
     version: 9.99.0
   - id: k8s-1.20
     manifest: snapshot-controller.addons.k8s.io/k8s-1.20.yaml
-    manifestHash: 7629abf66390989fa8529a3e7ef2274cc6d0169957d28ce36c7ebf59d6af7191
+    manifestHash: c1625843c5dbf647500867b4af18a62c6ded8516800d051f21a75589a3fa5c27
     name: snapshot-controller.addons.k8s.io
     needsPKI: true
     selector:
diff --git a/tests/integration/update_cluster/many-addons/data/aws_s3_bucket_object_minimal.example.com-addons-snapshot-controller.addons.k8s.io-k8s-1.20_content b/tests/integration/update_cluster/many-addons/data/aws_s3_bucket_object_minimal.example.com-addons-snapshot-controller.addons.k8s.io-k8s-1.20_content
index e7206fc6e9..7a7dbe91fe 100644
--- a/tests/integration/update_cluster/many-addons/data/aws_s3_bucket_object_minimal.example.com-addons-snapshot-controller.addons.k8s.io-k8s-1.20_content
+++ b/tests/integration/update_cluster/many-addons/data/aws_s3_bucket_object_minimal.example.com-addons-snapshot-controller.addons.k8s.io-k8s-1.20_content
@@ -1310,7 +1310,7 @@ webhooks:
 
 ---
 
-apiVersion: cert-manager.io/v1alpha2
+apiVersion: cert-manager.io/v1
 kind: Certificate
 metadata:
   creationTimestamp: null
diff --git a/upup/models/cloudup/resources/addons/snapshot-controller.addons.k8s.io/k8s-1.20.yaml.template b/upup/models/cloudup/resources/addons/snapshot-controller.addons.k8s.io/k8s-1.20.yaml.template
index 471565da66..d926515234 100644
--- a/upup/models/cloudup/resources/addons/snapshot-controller.addons.k8s.io/k8s-1.20.yaml.template
+++ b/upup/models/cloudup/resources/addons/snapshot-controller.addons.k8s.io/k8s-1.20.yaml.template
@@ -840,7 +840,7 @@ webhooks:
   timeoutSeconds: 2 # This will affect the latency and performance. Finetune this value based on your application's tolerance.
 
 ---
-apiVersion: cert-manager.io/v1alpha2
+apiVersion: cert-manager.io/v1
 kind: Certificate
 metadata:
   name: snapshot-validation-service